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- Using M.U.T.-III, perform CAN busline diagnosis.
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Q.
Is the check result normal?
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Correct CAN busline (Refer to GROUP 54C - Troubleshooting - Can
Bus Diagnostics Table ), and then go to Step 3 .
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- Reconfirm whether the diagnosis codes are output from
engine-ECU.
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- Erase the diagnosis codes being output.
- Ignition switch: "LOCK" (OFF) to ON
- Confirm whether the diagnosis codes are output.
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Q.
Are the diagnosis codes output?
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YES : Replace engine-ECU. After replacing the engine-ECU, register the injector identification
code and learn fuel injection (Refer to GROUP 00 - Precautions Before Service - What
The Common Rail Engine Learns ), and then go to Step 3 .
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ).
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- Reconfirm whether the diagnosis codes are output from
engine-ECU.
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- Erase the diagnosis codes being output.
- Ignition switch: "LOCK" (OFF) to ON
- Confirm whether the diagnosis codes are output.
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Q.
Are the diagnosis codes output?
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